/*
* WPA Supplicant - Driver event processing
- * Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
#include "wps_supplicant.h"
#include "ibss_rsn.h"
#include "sme.h"
+#include "gas_query.h"
#include "p2p_supplicant.h"
#include "bgscan.h"
#include "ap.h"
#include "bss.h"
-#include "mlme.h"
#include "scan.h"
+#include "offchannel.h"
static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the "
"current AP");
- if (ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
- WPA_KEY_MGMT_WPA_NONE |
- WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_FT_IEEE8021X |
- WPA_KEY_MGMT_PSK_SHA256 |
- WPA_KEY_MGMT_IEEE8021X_SHA256)) {
+ if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
u8 wpa_ie[80];
size_t wpa_ie_len = sizeof(wpa_ie);
wpa_supplicant_set_suites(wpa_s, NULL, ssid,
}
-static void wpa_supplicant_stop_countermeasures(void *eloop_ctx,
- void *sock_ctx)
+void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
wpa_s->ibss_rsn = NULL;
#endif /* CONFIG_IBSS_RSN */
+#ifdef CONFIG_AP
+ wpa_supplicant_ap_deinit(wpa_s);
+#endif /* CONFIG_AP */
+
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
return;
bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
os_memset(wpa_s->bssid, 0, ETH_ALEN);
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
+#ifdef CONFIG_P2P
+ os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
+#endif /* CONFIG_P2P */
wpa_s->current_bss = NULL;
wpa_s->assoc_freq = 0;
+#ifdef CONFIG_IEEE80211R
+#ifdef CONFIG_SME
+ if (wpa_s->sme.ft_ies)
+ sme_update_ft_ies(wpa_s, NULL, NULL, 0);
+#endif /* CONFIG_SME */
+#endif /* CONFIG_IEEE80211R */
+
if (bssid_changed)
wpas_notify_bssid_changed(wpa_s);
struct wpa_ssid *ssid)
{
#ifdef IEEE8021X_EAPOL
+#ifdef PCSC_FUNCS
int aka = 0, sim = 0, type;
if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL)
else
type = SCARD_GSM_SIM_ONLY;
- wpa_s->scard = scard_init(type);
+ wpa_s->scard = scard_init(type, NULL);
if (wpa_s->scard == NULL) {
wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
"(pcsc-lite)");
}
wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
+#endif /* PCSC_FUNCS */
#endif /* IEEE8021X_EAPOL */
return 0;
privacy = 1;
#endif /* IEEE8021X_EAPOL */
+ if (wpa_key_mgmt_wpa(ssid->key_mgmt))
+ privacy = 1;
+
if (bss->caps & IEEE80211_CAP_PRIVACY)
return privacy;
return !privacy;
}
+static int ht_supported(const struct hostapd_hw_modes *mode)
+{
+ if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
+ /*
+ * The driver did not indicate whether it supports HT. Assume
+ * it does to avoid connection issues.
+ */
+ return 1;
+ }
+
+ /*
+ * IEEE Std 802.11n-2009 20.1.1:
+ * An HT non-AP STA shall support all EQM rates for one spatial stream.
+ */
+ return mode->mcs_set[0] == 0xff;
+}
+
+
+static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_scan_res *bss)
+{
+ const struct hostapd_hw_modes *mode = NULL, *modes;
+ const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
+ const u8 *rate_ie;
+ int i, j, k;
+
+ if (bss->freq == 0)
+ return 1; /* Cannot do matching without knowing band */
+
+ modes = wpa_s->hw.modes;
+ if (modes == NULL) {
+ /*
+ * The driver does not provide any additional information
+ * about the utilized hardware, so allow the connection attempt
+ * to continue.
+ */
+ return 1;
+ }
+
+ for (i = 0; i < wpa_s->hw.num_modes; i++) {
+ for (j = 0; j < modes[i].num_channels; j++) {
+ int freq = modes[i].channels[j].freq;
+ if (freq == bss->freq) {
+ if (mode &&
+ mode->mode == HOSTAPD_MODE_IEEE80211G)
+ break; /* do not allow 802.11b replace
+ * 802.11g */
+ mode = &modes[i];
+ break;
+ }
+ }
+ }
+
+ if (mode == NULL)
+ return 0;
+
+ for (i = 0; i < (int) sizeof(scan_ie); i++) {
+ rate_ie = wpa_scan_get_ie(bss, scan_ie[i]);
+ if (rate_ie == NULL)
+ continue;
+
+ for (j = 2; j < rate_ie[1] + 2; j++) {
+ int flagged = !!(rate_ie[j] & 0x80);
+ int r = (rate_ie[j] & 0x7f) * 5;
+
+ /*
+ * IEEE Std 802.11n-2009 7.3.2.2:
+ * The new BSS Membership selector value is encoded
+ * like a legacy basic rate, but it is not a rate and
+ * only indicates if the BSS members are required to
+ * support the mandatory features of Clause 20 [HT PHY]
+ * in order to join the BSS.
+ */
+ if (flagged && ((rate_ie[j] & 0x7f) ==
+ BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
+ if (!ht_supported(mode)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ " hardware does not support "
+ "HT PHY");
+ return 0;
+ }
+ continue;
+ }
+
+ if (!flagged)
+ continue;
+
+ /* check for legacy basic rates */
+ for (k = 0; k < mode->num_rates; k++) {
+ if (mode->rates[k] == r)
+ break;
+ }
+ if (k == mode->num_rates) {
+ /*
+ * IEEE Std 802.11-2007 7.3.2.2 demands that in
+ * order to join a BSS all required rates
+ * have to be supported by the hardware.
+ */
+ wpa_dbg(wpa_s, MSG_DEBUG, " hardware does "
+ "not support required rate %d.%d Mbps",
+ r / 10, r % 10);
+ return 0;
+ }
+ }
+ }
+
+ return 1;
+}
+
+
static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
int i, struct wpa_scan_res *bss,
struct wpa_ssid *group)
}
#endif /* CONFIG_WPS */
+ if (ssid->bssid_set && ssid->ssid_len == 0 &&
+ os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
+ check_ssid = 0;
+
if (check_ssid &&
(ssid_len != ssid->ssid_len ||
os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
continue;
}
- if (!wpa && !wpa_supplicant_match_privacy(bss, ssid)) {
+ if (!wpa_supplicant_match_privacy(bss, ssid)) {
wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
"mismatch");
continue;
}
- if (!wpa && (bss->caps & IEEE80211_CAP_IBSS)) {
+ if (bss->caps & IEEE80211_CAP_IBSS) {
wpa_dbg(wpa_s, MSG_DEBUG, " skip - IBSS (adhoc) "
"network");
continue;
continue;
}
+ if (!rate_match(wpa_s, bss)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
+ "not match");
+ continue;
+ }
+
#ifdef CONFIG_P2P
/*
* TODO: skip the AP if its P2P IE has Group Formation
break;
}
- if (selected == NULL && wpa_s->blacklist) {
+ if (selected == NULL && wpa_s->blacklist &&
+ !wpa_s->countermeasures) {
wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
"blacklist and try again");
wpa_blacklist_clear(wpa_s);
}
-void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
- struct wpa_bss *selected,
- struct wpa_ssid *ssid)
+int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *selected,
+ struct wpa_ssid *ssid)
{
if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
"PBC session overlap");
#ifdef CONFIG_P2P
if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1)
- return;
+ return -1;
#endif /* CONFIG_P2P */
#ifdef CONFIG_WPS
wpas_wps_cancel(wpa_s);
#endif /* CONFIG_WPS */
- return;
+ return -1;
}
/*
0))) {
if (wpa_supplicant_scard_init(wpa_s, ssid)) {
wpa_supplicant_req_new_scan(wpa_s, 10, 0);
- return;
+ return 0;
}
wpa_msg(wpa_s, MSG_DEBUG, "Request association: "
"reassociate: %d selected: "MACSTR " bssid: " MACSTR
wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the "
"selected AP");
}
+
+ return 0;
}
/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
* on BSS added and BSS changed events */
static void wpa_supplicant_rsn_preauth_scan_results(
- struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
+ struct wpa_supplicant *wpa_s)
{
- int i;
+ struct wpa_bss *bss;
if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
return;
- for (i = scan_res->num - 1; i >= 0; i--) {
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
const u8 *ssid, *rsn;
- struct wpa_scan_res *r;
- r = scan_res->res[i];
-
- ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
+ ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
if (ssid == NULL)
continue;
- rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
+ rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
if (rsn == NULL)
continue;
- rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
+ rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
}
}
if (wpa_s->current_ssid != ssid)
return 1; /* different network block */
+ if (wpas_driver_bss_selection(wpa_s))
+ return 0; /* Driver-based roaming */
+
for (i = 0; i < scan_res->num; i++) {
struct wpa_scan_res *res = scan_res->res[i];
const u8 *ie;
if (!current_bss)
return 1; /* current BSS not seen in scan results */
+#ifndef CONFIG_NO_ROAMING
wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
MAC2STR(current_bss->bssid), current_bss->level);
}
return 1;
+#else /* CONFIG_NO_ROAMING */
+ return 0;
+#endif /* CONFIG_NO_ROAMING */
}
+
/* Return < 0 if no scan results could be fetched. */
static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
wpa_supplicant_notify_scanning(wpa_s, 0);
+#ifdef CONFIG_P2P
+ if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+ wpa_s->global->p2p != NULL) {
+ wpa_s->p2p_cb_on_scan_complete = 0;
+ if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
+ "stopped scan processing");
+ return -1;
+ }
+ }
+#endif /* CONFIG_P2P */
+
scan_res = wpa_supplicant_get_scan_results(wpa_s,
data ? &data->scan_info :
NULL, 1);
return 0;
}
- if (bgscan_notify_scan(wpa_s, scan_res) == 1) {
+ if (!wpas_driver_bss_selection(wpa_s) &&
+ bgscan_notify_scan(wpa_s, scan_res) == 1) {
wpa_scan_results_free(scan_res);
return 0;
}
- wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
-
selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
if (selected) {
skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid,
scan_res);
wpa_scan_results_free(scan_res);
- if (skip)
+ if (skip) {
+ wpa_supplicant_rsn_preauth_scan_results(wpa_s);
return 0;
- wpa_supplicant_connect(wpa_s, selected, ssid);
+ }
+
+ if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
+ return -1;
+ }
+ wpa_supplicant_rsn_preauth_scan_results(wpa_s);
} else {
wpa_scan_results_free(scan_res);
wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
if (ssid) {
wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
wpa_supplicant_associate(wpa_s, NULL, ssid);
+ wpa_supplicant_rsn_preauth_scan_results(wpa_s);
} else {
int timeout_sec = wpa_s->scan_interval;
int timeout_usec = 0;
*/
timeout_sec = 0;
timeout_usec = 250000;
+ wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
+ timeout_usec);
+ return 0;
}
#endif /* CONFIG_P2P */
- wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
- timeout_usec);
+ if (wpa_supplicant_req_sched_scan(wpa_s))
+ wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
+ timeout_usec);
}
}
return 0;
l = data->assoc_info.resp_ies_len;
#ifdef CONFIG_WPS_STRICT
- if (wpa_s->current_ssid &&
+ if (p && wpa_s->current_ssid &&
wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
struct wpabuf *wps;
wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
if (wpa_found || rsn_found)
wpa_s->ap_ies_from_associnfo = 1;
+ if (wpa_s->assoc_freq && data->assoc_info.freq &&
+ wpa_s->assoc_freq != data->assoc_info.freq) {
+ wpa_printf(MSG_DEBUG, "Operating frequency changed from "
+ "%u to %u MHz",
+ wpa_s->assoc_freq, data->assoc_info.freq);
+ wpa_supplicant_update_scan_results(wpa_s);
+ }
+
wpa_s->assoc_freq = data->assoc_info.freq;
return 0;
}
+static struct wpa_bss * wpa_supplicant_get_new_bss(
+ struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ struct wpa_bss *bss = NULL;
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+ if (ssid->ssid_len > 0)
+ bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
+ if (!bss)
+ bss = wpa_bss_get_bssid(wpa_s, bssid);
+
+ return bss;
+}
+
+
+static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
+{
+ const u8 *bss_wpa = NULL, *bss_rsn = NULL;
+
+ if (!wpa_s->current_bss || !wpa_s->current_ssid)
+ return -1;
+
+ if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
+ return 0;
+
+ bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
+ WPA_IE_VENDOR_TYPE);
+ bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
+
+ if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
+ bss_wpa ? 2 + bss_wpa[1] : 0) ||
+ wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
+ bss_rsn ? 2 + bss_rsn[1] : 0))
+ return -1;
+
+ return 0;
+}
+
+
static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
return;
wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
- if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
- os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
- if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
- (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
- os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
+ if (wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
+ os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
MACSTR, MAC2STR(bssid));
random_add_randomness(bssid, ETH_ALEN);
}
if (wpa_s->current_ssid) {
struct wpa_bss *bss = NULL;
- struct wpa_ssid *ssid = wpa_s->current_ssid;
- if (ssid->ssid_len > 0)
- bss = wpa_bss_get(wpa_s, bssid,
- ssid->ssid, ssid->ssid_len);
- if (!bss)
- bss = wpa_bss_get_bssid(wpa_s, bssid);
+
+ bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
+ if (!bss) {
+ wpa_supplicant_update_scan_results(wpa_s);
+
+ /* Get the BSS from the new scan results */
+ bss = wpa_supplicant_get_new_bss(wpa_s, bssid);
+ }
+
if (bss)
wpa_s->current_bss = bss;
}
+
+ if (wpa_s->conf->ap_scan == 1 &&
+ wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
+ if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
+ wpa_msg(wpa_s, MSG_WARNING,
+ "WPA/RSN IEs not updated");
+ }
}
#ifdef CONFIG_SME
}
+static int disconnect_reason_recoverable(u16 reason_code)
+{
+ return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
+ reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
+ reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
+}
+
+
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
- u16 reason_code)
+ u16 reason_code,
+ int locally_generated)
{
const u8 *bssid;
int authenticating;
u8 prev_pending_bssid[ETH_ALEN];
+ struct wpa_bss *fast_reconnect = NULL;
+ struct wpa_ssid *fast_reconnect_ssid = NULL;
authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
}
if (!wpa_s->auto_reconnect_disabled ||
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
- wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Auto connect enabled: try to "
- "reconnect (wps=%d)",
- wpa_s->key_mgmt == WPA_KEY_MGMT_WPS);
- if (wpa_s->wpa_state >= WPA_ASSOCIATING)
+ wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
+ "reconnect (wps=%d wpa_state=%d)",
+ wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
+ wpa_s->wpa_state);
+ if (wpa_s->wpa_state == WPA_COMPLETED &&
+ wpa_s->current_ssid &&
+ wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
+ !locally_generated &&
+ disconnect_reason_recoverable(reason_code)) {
+ /*
+ * It looks like the AP has dropped association with
+ * us, but could allow us to get back in. Try to
+ * reconnect to the same BSS without full scan to save
+ * time for some common cases.
+ */
+ fast_reconnect = wpa_s->current_bss;
+ fast_reconnect_ssid = wpa_s->current_ssid;
+ } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
+ else
+ wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
+ "immediate scan");
} else {
- wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Auto connect disabled: do not "
+ wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
"try to re-connect");
wpa_s->reassociate = 0;
wpa_s->disconnected = 1;
+ wpa_supplicant_cancel_sched_scan(wpa_s);
}
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
- wpas_connection_failed(wpa_s, bssid);
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+ wpas_connection_failed(wpa_s, bssid);
wpa_sm_notify_disassoc(wpa_s->wpa);
- wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
- " reason=%d",
- MAC2STR(bssid), reason_code);
+ if (!is_zero_ether_addr(bssid) ||
+ wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
+ " reason=%d%s",
+ MAC2STR(bssid), reason_code,
+ locally_generated ? " locally_generated=1" : "");
+ }
if (wpa_supplicant_dynamic_keys(wpa_s)) {
wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
wpa_s->keys_cleared = 0;
if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
+
+ if (fast_reconnect) {
+#ifndef CONFIG_NO_SCAN_PROCESSING
+ wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
+ if (wpa_supplicant_connect(wpa_s, fast_reconnect,
+ fast_reconnect_ssid) < 0) {
+ /* Recover through full scan */
+ wpa_supplicant_req_scan(wpa_s, 0, 100000);
+ }
+#endif /* CONFIG_NO_SCAN_PROCESSING */
+ }
}
#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
-static void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx,
- void *sock_ctx)
+void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
/* initialize countermeasures */
wpa_s->countermeasures = 1;
+
+ wpa_blacklist_add(wpa_s, wpa_s->bssid);
+
wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
/*
wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
"driver after interface was added");
}
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
break;
case EVENT_INTERFACE_REMOVED:
wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
wpa_s->interface_removed = 1;
wpa_supplicant_mark_disassoc(wpa_s);
+ wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
l2_packet_deinit(wpa_s->l2);
wpa_s->l2 = NULL;
#ifdef CONFIG_IBSS_RSN
wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
break;
case TDLS_REQUEST_TEARDOWN:
- /* request from driver to add FTIE */
- wpa_tdls_recv_teardown_notify(wpa_s->wpa, data->tdls.peer,
- data->tdls.reason_code);
+ wpa_tdls_send_teardown(wpa_s->wpa, data->tdls.peer,
+ data->tdls.reason_code);
break;
}
}
}
+static void wnm_action_rx(struct wpa_supplicant *wpa_s, struct rx_action *rx)
+{
+ u8 action, mode;
+ const u8 *pos, *end;
+
+ if (rx->data == NULL || rx->len == 0)
+ return;
+
+ pos = rx->data;
+ end = pos + rx->len;
+ action = *pos++;
+
+ wpa_printf(MSG_DEBUG, "WNM: RX action %u from " MACSTR,
+ action, MAC2STR(rx->sa));
+ switch (action) {
+ case WNM_BSS_TRANS_MGMT_REQ:
+ if (pos + 5 > end)
+ break;
+ wpa_printf(MSG_DEBUG, "WNM: BSS Transition Management "
+ "Request: dialog_token=%u request_mode=0x%x "
+ "disassoc_timer=%u validity_interval=%u",
+ pos[0], pos[1], WPA_GET_LE16(pos + 2), pos[4]);
+ mode = pos[1];
+ pos += 5;
+ if (mode & 0x08)
+ pos += 12; /* BSS Termination Duration */
+ if (mode & 0x10) {
+ char url[256];
+ if (pos + 1 > end || pos + 1 + pos[0] > end) {
+ wpa_printf(MSG_DEBUG, "WNM: Invalid BSS "
+ "Transition Management Request "
+ "(URL)");
+ break;
+ }
+ os_memcpy(url, pos + 1, pos[0]);
+ url[pos[0]] = '\0';
+ wpa_msg(wpa_s, MSG_INFO, "WNM: ESS Disassociation "
+ "Imminent - session_info_url=%s", url);
+ }
+ break;
+ }
+}
+
+
void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
union wpa_event_data *data)
{
struct wpa_supplicant *wpa_s = ctx;
u16 reason_code = 0;
+ int locally_generated = 0;
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
event != EVENT_INTERFACE_ENABLED &&
- event != EVENT_INTERFACE_STATUS) {
- wpa_dbg(wpa_s, MSG_DEBUG, "Ignore event %d while interface is "
- "disabled", event);
+ event != EVENT_INTERFACE_STATUS &&
+ event != EVENT_SCHED_SCAN_STOPPED) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Ignore event %s (%d) while interface is disabled",
+ event_to_string(event), event);
return;
}
- wpa_dbg(wpa_s, MSG_DEBUG, "Event %d received on interface %s",
- event, wpa_s->ifname);
+#ifndef CONFIG_NO_STDOUT_DEBUG
+{
+ int level = MSG_DEBUG;
+
+ if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
+ data->rx_mgmt.frame_len >= 24) {
+ const struct ieee80211_hdr *hdr;
+ u16 fc;
+ hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
+ fc = le_to_host16(hdr->frame_control);
+ if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+ WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+ level = MSG_EXCESSIVE;
+ }
+
+ wpa_dbg(wpa_s, level, "Event %s (%d) received",
+ event_to_string(event), event);
+}
+#endif /* CONFIG_NO_STDOUT_DEBUG */
switch (event) {
case EVENT_AUTH:
case EVENT_DISASSOC:
wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
if (data) {
- wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u",
- data->disassoc_info.reason_code);
+ wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
+ data->disassoc_info.reason_code,
+ data->disassoc_info.locally_generated ?
+ " (locally generated)" : "");
if (data->disassoc_info.addr)
wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
MAC2STR(data->disassoc_info.addr));
data->disassoc_info.addr);
break;
}
+ if (wpa_s->ap_iface) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in "
+ "AP mode");
+ break;
+ }
#endif /* CONFIG_AP */
if (data) {
reason_code = data->disassoc_info.reason_code;
+ locally_generated =
+ data->disassoc_info.locally_generated;
wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
data->disassoc_info.ie,
data->disassoc_info.ie_len);
"Deauthentication notification");
if (data) {
reason_code = data->deauth_info.reason_code;
- wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u",
- data->deauth_info.reason_code);
+ locally_generated =
+ data->deauth_info.locally_generated;
+ wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
+ data->deauth_info.reason_code,
+ data->deauth_info.locally_generated ?
+ " (locally generated)" : "");
if (data->deauth_info.addr) {
wpa_dbg(wpa_s, MSG_DEBUG, " * address "
MACSTR,
data->deauth_info.addr);
break;
}
+ if (wpa_s->ap_iface) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in "
+ "AP mode");
+ break;
+ }
#endif /* CONFIG_AP */
- wpa_supplicant_event_disassoc(wpa_s, reason_code);
+ wpa_supplicant_event_disassoc(wpa_s, reason_code,
+ locally_generated);
break;
case EVENT_MICHAEL_MIC_FAILURE:
wpa_supplicant_event_michael_mic_failure(wpa_s, data);
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
sme_event_assoc_timed_out(wpa_s, data);
break;
-#ifdef CONFIG_AP
case EVENT_TX_STATUS:
wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
" type=%d stype=%d",
MAC2STR(data->tx_status.dst),
data->tx_status.type, data->tx_status.stype);
+#ifdef CONFIG_AP
if (wpa_s->ap_iface == NULL) {
-#ifdef CONFIG_P2P
+#ifdef CONFIG_OFFCHANNEL
if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
data->tx_status.stype == WLAN_FC_STYPE_ACTION)
- wpas_send_action_tx_status(
+ offchannel_send_action_tx_status(
wpa_s, data->tx_status.dst,
data->tx_status.data,
data->tx_status.data_len,
data->tx_status.ack ?
- P2P_SEND_ACTION_SUCCESS :
- P2P_SEND_ACTION_NO_ACK);
-#endif /* CONFIG_P2P */
+ OFFCHANNEL_SEND_ACTION_SUCCESS :
+ OFFCHANNEL_SEND_ACTION_NO_ACK);
+#endif /* CONFIG_OFFCHANNEL */
break;
}
-#ifdef CONFIG_P2P
+#endif /* CONFIG_AP */
+#ifdef CONFIG_OFFCHANNEL
wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
/*
data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
os_memcmp(wpa_s->parent->pending_action_dst,
data->tx_status.dst, ETH_ALEN) == 0) {
- wpas_send_action_tx_status(
+ offchannel_send_action_tx_status(
wpa_s->parent, data->tx_status.dst,
data->tx_status.data,
data->tx_status.data_len,
data->tx_status.ack ?
- P2P_SEND_ACTION_SUCCESS :
- P2P_SEND_ACTION_NO_ACK);
+ OFFCHANNEL_SEND_ACTION_SUCCESS :
+ OFFCHANNEL_SEND_ACTION_NO_ACK);
break;
}
-#endif /* CONFIG_P2P */
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_AP
switch (data->tx_status.type) {
case WLAN_FC_TYPE_MGMT:
ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
data->tx_status.ack);
break;
}
+#endif /* CONFIG_AP */
+ break;
+#ifdef CONFIG_AP
+ case EVENT_EAPOL_TX_STATUS:
+ ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
+ data->eapol_tx_status.data,
+ data->eapol_tx_status.data_len,
+ data->eapol_tx_status.ack);
+ break;
+ case EVENT_DRIVER_CLIENT_POLL_OK:
+ ap_client_poll_ok(wpa_s, data->client_poll.addr);
break;
case EVENT_RX_FROM_UNKNOWN:
if (wpa_s->ap_iface == NULL)
break;
- ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.frame,
- data->rx_from_unknown.len);
+ ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
+ data->rx_from_unknown.wds);
break;
- case EVENT_RX_MGMT:
+ case EVENT_RX_MGMT: {
+ u16 fc, stype;
+ const struct ieee80211_mgmt *mgmt;
+
+ mgmt = (const struct ieee80211_mgmt *)
+ data->rx_mgmt.frame;
+ fc = le_to_host16(mgmt->frame_control);
+ stype = WLAN_FC_GET_STYPE(fc);
+
if (wpa_s->ap_iface == NULL) {
#ifdef CONFIG_P2P
- u16 fc, stype;
- const struct ieee80211_mgmt *mgmt;
- mgmt = (const struct ieee80211_mgmt *)
- data->rx_mgmt.frame;
- fc = le_to_host16(mgmt->frame_control);
- stype = WLAN_FC_GET_STYPE(fc);
if (stype == WLAN_FC_STYPE_PROBE_REQ &&
data->rx_mgmt.frame_len > 24) {
const u8 *src = mgmt->sa;
size_t ie_len = data->rx_mgmt.frame_len -
(mgmt->u.probe_req.variable -
data->rx_mgmt.frame);
- wpas_p2p_probe_req_rx(wpa_s, src, ie, ie_len);
+ wpas_p2p_probe_req_rx(
+ wpa_s, src, mgmt->da,
+ mgmt->bssid, ie, ie_len,
+ data->rx_mgmt.ssi_signal);
break;
}
#endif /* CONFIG_P2P */
"management frame in non-AP mode");
break;
}
+
+ if (stype == WLAN_FC_STYPE_PROBE_REQ &&
+ data->rx_mgmt.frame_len > 24) {
+ const u8 *ie = mgmt->u.probe_req.variable;
+ size_t ie_len = data->rx_mgmt.frame_len -
+ (mgmt->u.probe_req.variable -
+ data->rx_mgmt.frame);
+
+ wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
+ mgmt->bssid, ie, ie_len,
+ data->rx_mgmt.ssi_signal);
+ break;
+ }
+
ap_mgmt_rx(wpa_s, &data->rx_mgmt);
break;
+ }
#endif /* CONFIG_AP */
case EVENT_RX_ACTION:
wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
}
#endif /* CONFIG_SME */
#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_GAS
+ if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
+ gas_query_rx(wpa_s->gas, data->rx_action.da,
+ data->rx_action.sa, data->rx_action.bssid,
+ data->rx_action.data, data->rx_action.len,
+ data->rx_action.freq) == 0)
+ break;
+#endif /* CONFIG_GAS */
+ if (data->rx_action.category == WLAN_ACTION_WNM) {
+ wnm_action_rx(wpa_s, &data->rx_action);
+ break;
+ }
+#ifdef CONFIG_TDLS
+ if (data->rx_action.category == WLAN_ACTION_PUBLIC &&
+ data->rx_action.len >= 4 &&
+ data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery "
+ "Response from " MACSTR,
+ MAC2STR(data->rx_action.sa));
+ break;
+ }
+#endif /* CONFIG_TDLS */
#ifdef CONFIG_P2P
wpas_p2p_rx_action(wpa_s, data->rx_action.da,
data->rx_action.sa,
#endif /* CONFIG_P2P */
break;
case EVENT_RX_PROBE_REQ:
+ if (data->rx_probe_req.sa == NULL ||
+ data->rx_probe_req.ie == NULL)
+ break;
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
data->rx_probe_req.sa,
+ data->rx_probe_req.da,
+ data->rx_probe_req.bssid,
data->rx_probe_req.ie,
- data->rx_probe_req.ie_len);
+ data->rx_probe_req.ie_len,
+ data->rx_probe_req.ssi_signal);
break;
}
#endif /* CONFIG_AP */
#ifdef CONFIG_P2P
wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
+ data->rx_probe_req.da,
+ data->rx_probe_req.bssid,
data->rx_probe_req.ie,
- data->rx_probe_req.ie_len);
+ data->rx_probe_req.ie_len,
+ data->rx_probe_req.ssi_signal);
#endif /* CONFIG_P2P */
break;
-#ifdef CONFIG_P2P
case EVENT_REMAIN_ON_CHANNEL:
+#ifdef CONFIG_OFFCHANNEL
+ offchannel_remain_on_channel_cb(
+ wpa_s, data->remain_on_channel.freq,
+ data->remain_on_channel.duration);
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_P2P
wpas_p2p_remain_on_channel_cb(
wpa_s, data->remain_on_channel.freq,
data->remain_on_channel.duration);
+#endif /* CONFIG_P2P */
break;
case EVENT_CANCEL_REMAIN_ON_CHANNEL:
+#ifdef CONFIG_OFFCHANNEL
+ offchannel_cancel_remain_on_channel_cb(
+ wpa_s, data->remain_on_channel.freq);
+#endif /* CONFIG_OFFCHANNEL */
+#ifdef CONFIG_P2P
wpas_p2p_cancel_remain_on_channel_cb(
wpa_s, data->remain_on_channel.freq);
+#endif /* CONFIG_P2P */
break;
+#ifdef CONFIG_P2P
case EVENT_P2P_DEV_FOUND: {
struct p2p_peer_info peer_info;
data->p2p_prov_disc_req.dev_name,
data->p2p_prov_disc_req.supp_config_methods,
data->p2p_prov_disc_req.dev_capab,
- data->p2p_prov_disc_req.group_capab);
+ data->p2p_prov_disc_req.group_capab,
+ NULL, 0);
break;
case EVENT_P2P_PROV_DISC_RESPONSE:
wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer,
data->p2p_sd_resp.tlvs_len);
break;
#endif /* CONFIG_P2P */
-#ifdef CONFIG_CLIENT_MLME
- case EVENT_MLME_RX: {
- struct ieee80211_rx_status rx_status;
- os_memset(&rx_status, 0, sizeof(rx_status));
- rx_status.freq = data->mlme_rx.freq;
- rx_status.channel = data->mlme_rx.channel;
- rx_status.ssi = data->mlme_rx.ssi;
- ieee80211_sta_rx(wpa_s, data->mlme_rx.buf, data->mlme_rx.len,
- &rx_status);
- break;
- }
-#endif /* CONFIG_CLIENT_MLME */
case EVENT_EAPOL_RX:
wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
data->eapol_rx.data,
case EVENT_INTERFACE_ENABLED:
wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
+ wpa_supplicant_update_mac_addr(wpa_s);
#ifdef CONFIG_AP
if (!wpa_s->ap_iface) {
wpa_supplicant_set_state(wpa_s,
case EVENT_CHANNEL_LIST_CHANGED:
if (wpa_s->drv_priv == NULL)
break; /* Ignore event during drv initialization */
+
+ free_hw_features(wpa_s);
+ wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
+ wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
+
#ifdef CONFIG_P2P
wpas_p2p_update_channel_list(wpa_s);
#endif /* CONFIG_P2P */
hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
data->low_ack.addr);
#endif /* CONFIG_AP */
+#ifdef CONFIG_TDLS
+ if (data)
+ wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr);
+#endif /* CONFIG_TDLS */
break;
case EVENT_IBSS_PEER_LOST:
#ifdef CONFIG_IBSS_RSN
ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
#endif /* CONFIG_IBSS_RSN */
break;
+ case EVENT_DRIVER_GTK_REKEY:
+ if (os_memcmp(data->driver_gtk_rekey.bssid,
+ wpa_s->bssid, ETH_ALEN))
+ break;
+ if (!wpa_s->wpa)
+ break;
+ wpa_sm_update_replay_ctr(wpa_s->wpa,
+ data->driver_gtk_rekey.replay_ctr);
+ break;
+ case EVENT_SCHED_SCAN_STOPPED:
+ wpa_s->sched_scanning = 0;
+ wpa_supplicant_notify_scanning(wpa_s, 0);
+
+ if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
+ break;
+
+ /*
+ * If we timed out, start a new sched scan to continue
+ * searching for more SSIDs.
+ */
+ if (wpa_s->sched_scan_timed_out)
+ wpa_supplicant_req_sched_scan(wpa_s);
+ break;
+ case EVENT_WPS_BUTTON_PUSHED:
+#ifdef CONFIG_WPS
+ wpas_wps_start_pbc(wpa_s, NULL, 0);
+#endif /* CONFIG_WPS */
+ break;
default:
wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);
break;
projects / thirdparty / hostap.git / blobdiff